689367693 has 8 divisors (see below), whose sum is σ = 1050465088. Its totient is φ = 393924384.

The previous prime is 689367617. The next prime is 689367733. The reversal of 689367693 is 396763986.

689367693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 689367693 - 2²¹ = 687270541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689367593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16413496 + ... + 16413537.

It is an arithmetic number, because the mean of its divisors is an integer number (131308136).

Almost surely, 2^689367693 is an apocalyptic number.

It is an amenable number.

689367693 is a deficient number, since it is larger than the sum of its proper divisors (361097395).

689367693 is a wasteful number, since it uses less digits than its factorization.

689367693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827043.

The product of its digits is 8817984, while the sum is 57.

The square root of 689367693 is about 26255.8125564607. The cubic root of 689367693 is about 883.3855862606.

The spelling of 689367693 in words is "six hundred eighty-nine million, three hundred sixty-seven thousand, six hundred ninety-three".